Interface TypeHierarchyProvider

Language-specific service for handling type hierarchy requests.

interface TypeHierarchyProvider {
    prepareTypeHierarchy(document: LangiumDocument<AstNode>, params: TypeHierarchyPrepareParams, cancelToken?: CancellationToken): MaybePromise<undefined | TypeHierarchyItem[]>;
    subtypes(params: TypeHierarchySubtypesParams, cancelToken?: CancellationToken): MaybePromise<undefined | TypeHierarchyItem[]>;
    supertypes(params: TypeHierarchySupertypesParams, cancelToken?: CancellationToken): MaybePromise<undefined | TypeHierarchyItem[]>;
}

Implemented by

AbstractTypeHierarchyProvider

Index

Methods

prepareTypeHierarchy subtypes supertypes

Methods

prepareTypeHierarchy

prepareTypeHierarchy(document, params, cancelToken?): MaybePromise<undefined | TypeHierarchyItem[]>
Parameters
- document: LangiumDocument<AstNode>
- params: TypeHierarchyPrepareParams
- OptionalcancelToken: CancellationToken
Returns MaybePromise<undefined | TypeHierarchyItem[]>
- Defined in packages/langium/src/lsp/type-hierarchy-provider.ts:30

subtypes

subtypes(params, cancelToken?): MaybePromise<undefined | TypeHierarchyItem[]>
Parameters
- params: TypeHierarchySubtypesParams
- OptionalcancelToken: CancellationToken
Returns MaybePromise<undefined | TypeHierarchyItem[]>
- Defined in packages/langium/src/lsp/type-hierarchy-provider.ts:34

supertypes

supertypes(params, cancelToken?): MaybePromise<undefined | TypeHierarchyItem[]>
Parameters
- params: TypeHierarchySupertypesParams
- OptionalcancelToken: CancellationToken
Returns MaybePromise<undefined | TypeHierarchyItem[]>
- Defined in packages/langium/src/lsp/type-hierarchy-provider.ts:32